101021044 has 12 divisors (see below), whose sum is σ = 177171904. Its totient is φ = 50400504.

The previous prime is 101021029. The next prime is 101021057. The reversal of 101021044 is 440120101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25422 + ... + 29125.

Almost surely, 2^101021044 is an apocalyptic number.

It is an amenable number.

101021044 is a deficient number, since it is larger than the sum of its proper divisors (76150860).

101021044 is a wasteful number, since it uses less digits than its factorization.

101021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55014 (or 55012 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 101021044 is about 10050.9225447220. The cubic root of 101021044 is about 465.7332924643.

Adding to 101021044 its reverse (440120101), we get a palindrome (541141145).

The spelling of 101021044 in words is "one hundred one million, twenty-one thousand, forty-four".